Mesa (master): i965: Use unreachable() to silence warning.

[Matt Turner]

Module: Mesa
Branch: master
Commit: 0492275038a50350ecb09fb63a203ccdd2aa3370
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=0492275038a50350ecb09fb63a203ccdd2aa3370

Author: Matt Turner <mattst88 at gmail.com>
Date:   Sat Aug 30 09:42:18 2014 -0700

i965: Use unreachable() to silence warning.

brw_meta_fast_clear.c:211:17: warning: 'x_scaledown' may be used
uninitialized in this function [-Wmaybe-uninitialized]
    unsigned int x_scaledown, y_scaledown;

Reviewed-by: Kenneth Graunke <kenneth at whitecape.org>

---

 src/mesa/drivers/dri/i965/brw_meta_fast_clear.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/mesa/drivers/dri/i965/brw_meta_fast_clear.c b/src/mesa/drivers/dri/i965/brw_meta_fast_clear.c
index 4fb20d7..bcc8827 100644
--- a/src/mesa/drivers/dri/i965/brw_meta_fast_clear.c
+++ b/src/mesa/drivers/dri/i965/brw_meta_fast_clear.c
@@ -289,8 +289,7 @@ get_fast_clear_rect(struct brw_context *brw, struct gl_framebuffer *fb,
          x_scaledown = 2;
          break;
       default:
-         assert(!"Unexpected sample count for fast clear");
-         break;
+         unreachable("Unexpected sample count for fast clear");
       }
       y_scaledown = 2;
       x_align = x_scaledown * 2;